Full runoff now and with warmer weather on the horizon, levels will continue to rise. A tributary of the Eagle River, approxiamely 18.5 miles long, in Eagle County in central Colorado in the United States. It rises on the Eagle County-Summit County border along the high crest of the Gore Range, in the White River National Forest and descends ro the west through a narrow gorge, receiving Black Gore Creek from the south. It flows thru Vail, Colorado.